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href="/blog/other/aboutblog/modify-vuepress-theme.html" title="VuePress之修改默认主题" class="sidebar-link">VuePress之修改默认主题</a></li><li><a href="/blog/other/aboutblog/vuepress-diy-plugin.html" title="VuePress之开发自己的插件" class="sidebar-link">VuePress之开发自己的插件</a></li><li><a href="/blog/other/aboutblog/vuepress-plugin.html" title="VuePress + GitHub搭建个人博客笔记（2）必备插件" class="sidebar-link">VuePress + GitHub搭建个人博客笔记（2）必备插件</a></li><li><a href="/blog/other/aboutblog/vuepress-build-blog.html" title="VuePress + GitHub搭建个人博客笔记（1）" class="sidebar-link">VuePress + GitHub搭建个人博客笔记（1）</a></li></ul></section></li></ul></aside> <main class="page"> <div class="theme-antdocs-content content__default"><h1 id="vuepress添加loading页"><a href="#vuepress添加loading页" class="header-anchor">#</a> VuePress添加loading页</h1> <!----> <blockquote><p>由于博客页面在<strong>加载的时候页面会有较长时间的白屏</strong>，感觉<font color="red">有碍观瞻</font>，太丑了，就想着加一个loading页，样式的话就直接拿<code>antd</code>的来。</p></blockquote> <h2 id="一、原理"><a href="#一、原理" class="header-anchor">#</a> 一、原理</h2> <ul><li><p>根据VuePress文档<a href="#%E5%9B%9B%E3%80%81%E5%8F%82%E8%80%83%E8%B5%84%E6%96%99">参考资料[1]</a>（即下图）中的全局UI组件相关内容，可以实现一个loading组件，将其注册为<code>globalUIComponents</code>，剩下的就是如何控制它的显示与隐藏了。</p> <p><img src="/images/other/aboutblog/loading-mask-02.png" alt="loading-mask-02"></p></li> <li><p>查看<code>VuePress</code>的源码可以发现<code>.vuepress/theme/layouts/Layout.vue</code>是<code>VuePress</code>的根级组件，我们只需要在<code>Layout.vue</code><strong>挂载上去之前显示loading</strong>，<strong>挂载之后隐藏loading就可以了</strong>。</p> <p>结合<code>Vue</code>的「生命周期钩子」，可以：👇</p> <ul><li><code>beforeCreated</code>：显示。</li> <li><code>mounted</code>：隐藏。</li></ul></li></ul> <h2 id="二、注册全局ui组件"><a href="#二、注册全局ui组件" class="header-anchor">#</a> 二、注册全局UI组件</h2> <h3 id="_1-构建组件"><a href="#_1-构建组件" class="header-anchor">#</a> 1.构建组件</h3> <details class="custom-block details"><summary>展开查看loading组件代码</summary> <div class="language-vue line-numbers-mode"><div class="highlight-lines"><br><br><br><br><br><br><br><br><br><br><br><br><br><br><div class="highlighted"> </div><br><br><br><div class="highlighted"> </div><div class="highlighted"> </div><div class="highlighted"> </div><br><br><br><br><br><br><br><br><br><br><br><br><br><br><br><br><br><br><br><br><br><br><br><br><br><br><br><br><br><br><br><br><br><br><br><br><br><br><br><br><br><br><br><br><br><br><br><br><br><br><br><br><br><br><br><br><br><br><br><br><br><br><br><br><br><br><br><br><br><br><br><br><br><br><br><br><br><br><br><br><br><br><br><br><br><br><br><br><br><br><br><br><br><br><br><br><br><br><br><br><br><br></div><pre class="language-vue"><code><span class="token tag"><span class="token tag"><span class="token punctuation">&lt;</span>template</span><span class="token punctuation">&gt;</span></span>
  <span class="token tag"><span class="token tag"><span class="token punctuation">&lt;</span>div</span> <span class="token attr-name">id</span><span class="token attr-value"><span class="token punctuation attr-equals">=</span><span class="token punctuation">&quot;</span>loading-mask<span class="token punctuation">&quot;</span></span> <span class="token attr-name">v-show</span><span class="token attr-value"><span class="token punctuation attr-equals">=</span><span class="token punctuation">&quot;</span>show<span class="token punctuation">&quot;</span></span><span class="token punctuation">&gt;</span></span>
    <span class="token tag"><span class="token tag"><span class="token punctuation">&lt;</span>div</span> <span class="token attr-name">class</span><span class="token attr-value"><span class="token punctuation attr-equals">=</span><span class="token punctuation">&quot;</span>loading-wrapper<span class="token punctuation">&quot;</span></span><span class="token punctuation">&gt;</span></span>
      <span class="token tag"><span class="token tag"><span class="token punctuation">&lt;</span>span</span> <span class="token attr-name">class</span><span class="token attr-value"><span class="token punctuation attr-equals">=</span><span class="token punctuation">&quot;</span>loading-dot loading-dot-spin<span class="token punctuation">&quot;</span></span><span class="token punctuation">&gt;</span></span>
        <span class="token tag"><span class="token tag"><span class="token punctuation">&lt;</span>i</span><span class="token punctuation">&gt;</span></span><span class="token tag"><span class="token tag"><span class="token punctuation">&lt;/</span>i</span><span class="token punctuation">&gt;</span></span>
        <span class="token tag"><span class="token tag"><span class="token punctuation">&lt;</span>i</span><span class="token punctuation">&gt;</span></span><span class="token tag"><span class="token tag"><span class="token punctuation">&lt;/</span>i</span><span class="token punctuation">&gt;</span></span>
        <span class="token tag"><span class="token tag"><span class="token punctuation">&lt;</span>i</span><span class="token punctuation">&gt;</span></span><span class="token tag"><span class="token tag"><span class="token punctuation">&lt;/</span>i</span><span class="token punctuation">&gt;</span></span>
        <span class="token tag"><span class="token tag"><span class="token punctuation">&lt;</span>i</span><span class="token punctuation">&gt;</span></span><span class="token tag"><span class="token tag"><span class="token punctuation">&lt;/</span>i</span><span class="token punctuation">&gt;</span></span>
      <span class="token tag"><span class="token tag"><span class="token punctuation">&lt;/</span>span</span><span class="token punctuation">&gt;</span></span>
    <span class="token tag"><span class="token tag"><span class="token punctuation">&lt;/</span>div</span><span class="token punctuation">&gt;</span></span>
  <span class="token tag"><span class="token tag"><span class="token punctuation">&lt;/</span>div</span><span class="token punctuation">&gt;</span></span>
<span class="token tag"><span class="token tag"><span class="token punctuation">&lt;/</span>template</span><span class="token punctuation">&gt;</span></span>

<span class="token tag"><span class="token tag"><span class="token punctuation">&lt;</span>script</span><span class="token punctuation">&gt;</span></span><span class="token script"><span class="token language-javascript">
<span class="token keyword">import</span> <span class="token punctuation">{</span> mapState <span class="token punctuation">}</span> <span class="token keyword">from</span> <span class="token string">'vuex'</span><span class="token punctuation">;</span>

<span class="token keyword">export</span> <span class="token keyword">default</span> <span class="token punctuation">{</span>
  <span class="token literal-property property">name</span><span class="token operator">:</span> <span class="token string">'Loading'</span><span class="token punctuation">,</span>
  <span class="token literal-property property">computed</span><span class="token operator">:</span> <span class="token function">mapState</span><span class="token punctuation">(</span><span class="token punctuation">{</span>
    <span class="token function-variable function">show</span><span class="token operator">:</span> <span class="token parameter">state</span> <span class="token operator">=&gt;</span> state<span class="token punctuation">.</span>show
  <span class="token punctuation">}</span><span class="token punctuation">)</span><span class="token punctuation">,</span>
<span class="token punctuation">}</span>
</span></span><span class="token tag"><span class="token tag"><span class="token punctuation">&lt;/</span>script</span><span class="token punctuation">&gt;</span></span>

<span class="token tag"><span class="token tag"><span class="token punctuation">&lt;</span>style</span> <span class="token attr-name">lang</span><span class="token attr-value"><span class="token punctuation attr-equals">=</span><span class="token punctuation">&quot;</span>less<span class="token punctuation">&quot;</span></span><span class="token punctuation">&gt;</span></span><span class="token style"><span class="token language-css">
  <span class="token atrule"><span class="token rule">@import</span> <span class="token string">&quot;../styles/palette.less&quot;</span><span class="token punctuation">;</span></span>

  <span class="token selector">#loading-mask</span> <span class="token punctuation">{</span>
    <span class="token property">position</span><span class="token punctuation">:</span> fixed<span class="token punctuation">;</span>
    <span class="token property">left</span><span class="token punctuation">:</span> 0<span class="token punctuation">;</span>
    <span class="token property">top</span><span class="token punctuation">:</span> 0<span class="token punctuation">;</span>
    <span class="token property">height</span><span class="token punctuation">:</span> 100%<span class="token punctuation">;</span>
    <span class="token property">width</span><span class="token punctuation">:</span> 100%<span class="token punctuation">;</span>
    <span class="token property">background</span><span class="token punctuation">:</span> #fff<span class="token punctuation">;</span>
    <span class="token property">user-select</span><span class="token punctuation">:</span> none<span class="token punctuation">;</span>
    <span class="token property">z-index</span><span class="token punctuation">:</span> 9999<span class="token punctuation">;</span>
    <span class="token property">overflow</span><span class="token punctuation">:</span> hidden
  <span class="token punctuation">}</span>

  <span class="token selector">.loading-wrapper</span> <span class="token punctuation">{</span>
    <span class="token property">position</span><span class="token punctuation">:</span> absolute<span class="token punctuation">;</span>
    <span class="token property">top</span><span class="token punctuation">:</span> 50%<span class="token punctuation">;</span>
    <span class="token property">left</span><span class="token punctuation">:</span> 50%<span class="token punctuation">;</span>
    <span class="token property">transform</span><span class="token punctuation">:</span> <span class="token function">translate</span><span class="token punctuation">(</span>-50%<span class="token punctuation">,</span> -100%<span class="token punctuation">)</span>
  <span class="token punctuation">}</span>

  <span class="token selector">.loading-dot</span> <span class="token punctuation">{</span>
    <span class="token property">animation</span><span class="token punctuation">:</span> antRotate 1.2s infinite linear<span class="token punctuation">;</span>
    <span class="token property">transform</span><span class="token punctuation">:</span> <span class="token function">rotate</span><span class="token punctuation">(</span>45deg<span class="token punctuation">)</span><span class="token punctuation">;</span>
    <span class="token property">position</span><span class="token punctuation">:</span> relative<span class="token punctuation">;</span>
    <span class="token property">display</span><span class="token punctuation">:</span> inline-block<span class="token punctuation">;</span>
    <span class="token property">font-size</span><span class="token punctuation">:</span> 64px<span class="token punctuation">;</span>
    <span class="token property">width</span><span class="token punctuation">:</span> 37px<span class="token punctuation">;</span>
    <span class="token property">height</span><span class="token punctuation">:</span> 37px<span class="token punctuation">;</span>
    <span class="token property">box-sizing</span><span class="token punctuation">:</span> border-box
  <span class="token punctuation">}</span>

  <span class="token selector">.loading-dot i</span> <span class="token punctuation">{</span>
    <span class="token property">width</span><span class="token punctuation">:</span> 15px<span class="token punctuation">;</span>
    <span class="token property">height</span><span class="token punctuation">:</span> 15px<span class="token punctuation">;</span>
    <span class="token property">position</span><span class="token punctuation">:</span> absolute<span class="token punctuation">;</span>
    <span class="token property">display</span><span class="token punctuation">:</span> block<span class="token punctuation">;</span>
    <span class="token property">background-color</span><span class="token punctuation">:</span> <span class="token atrule"><span class="token rule">@accentColor</span><span class="token punctuation">;</span></span>
    <span class="token property">border-radius</span><span class="token punctuation">:</span> 100%<span class="token punctuation">;</span>
    <span class="token property">transform</span><span class="token punctuation">:</span> <span class="token function">scale</span><span class="token punctuation">(</span>.75<span class="token punctuation">)</span><span class="token punctuation">;</span>
    <span class="token property">transform-origin</span><span class="token punctuation">:</span> 50% 50%<span class="token punctuation">;</span>
    <span class="token property">opacity</span><span class="token punctuation">:</span> .3<span class="token punctuation">;</span>
    <span class="token property">animation</span><span class="token punctuation">:</span> antSpinMove 1s infinite linear alternate
  <span class="token punctuation">}</span>

  <span class="token selector">.loading-dot i:nth-child(1)</span> <span class="token punctuation">{</span>
    <span class="token property">top</span><span class="token punctuation">:</span> 0<span class="token punctuation">;</span>
    <span class="token property">left</span><span class="token punctuation">:</span> 0
  <span class="token punctuation">}</span>

  <span class="token selector">.loading-dot i:nth-child(2)</span> <span class="token punctuation">{</span>
    <span class="token property">top</span><span class="token punctuation">:</span> 0<span class="token punctuation">;</span>
    <span class="token property">right</span><span class="token punctuation">:</span> 0<span class="token punctuation">;</span>
    <span class="token property">-webkit-animation-delay</span><span class="token punctuation">:</span> .4s<span class="token punctuation">;</span>
    <span class="token property">animation-delay</span><span class="token punctuation">:</span> .4s
  <span class="token punctuation">}</span>

  <span class="token selector">.loading-dot i:nth-child(3)</span> <span class="token punctuation">{</span>
    <span class="token property">right</span><span class="token punctuation">:</span> 0<span class="token punctuation">;</span>
    <span class="token property">bottom</span><span class="token punctuation">:</span> 0<span class="token punctuation">;</span>
    <span class="token property">-webkit-animation-delay</span><span class="token punctuation">:</span> .8s<span class="token punctuation">;</span>
    <span class="token property">animation-delay</span><span class="token punctuation">:</span> .8s
  <span class="token punctuation">}</span>

  <span class="token selector">.loading-dot i:nth-child(4)</span> <span class="token punctuation">{</span>
    <span class="token property">bottom</span><span class="token punctuation">:</span> 0<span class="token punctuation">;</span>
    <span class="token property">left</span><span class="token punctuation">:</span> 0<span class="token punctuation">;</span>
    <span class="token property">-webkit-animation-delay</span><span class="token punctuation">:</span> 1.2s<span class="token punctuation">;</span>
    <span class="token property">animation-delay</span><span class="token punctuation">:</span> 1.2s
  <span class="token punctuation">}</span>

  <span class="token atrule"><span class="token rule">@keyframes</span> antRotate</span> <span class="token punctuation">{</span>
    <span class="token selector">to</span> <span class="token punctuation">{</span>
      <span class="token property">-webkit-transform</span><span class="token punctuation">:</span> <span class="token function">rotate</span><span class="token punctuation">(</span>405deg<span class="token punctuation">)</span><span class="token punctuation">;</span>
      <span class="token property">transform</span><span class="token punctuation">:</span> <span class="token function">rotate</span><span class="token punctuation">(</span>405deg<span class="token punctuation">)</span>
    <span class="token punctuation">}</span>
  <span class="token punctuation">}</span>

  <span class="token atrule"><span class="token rule">@-webkit-keyframes</span> antRotate</span> <span class="token punctuation">{</span>
    <span class="token selector">to</span> <span class="token punctuation">{</span>
      <span class="token property">-webkit-transform</span><span class="token punctuation">:</span> <span class="token function">rotate</span><span class="token punctuation">(</span>405deg<span class="token punctuation">)</span><span class="token punctuation">;</span>
      <span class="token property">transform</span><span class="token punctuation">:</span> <span class="token function">rotate</span><span class="token punctuation">(</span>405deg<span class="token punctuation">)</span>
    <span class="token punctuation">}</span>
  <span class="token punctuation">}</span>

  <span class="token atrule"><span class="token rule">@keyframes</span> antSpinMove</span> <span class="token punctuation">{</span>
    <span class="token selector">to</span> <span class="token punctuation">{</span>
      <span class="token property">opacity</span><span class="token punctuation">:</span> 1
    <span class="token punctuation">}</span>
  <span class="token punctuation">}</span>

  <span class="token atrule"><span class="token rule">@-webkit-keyframes</span> antSpinMove</span> <span class="token punctuation">{</span>
    <span class="token selector">to</span> <span class="token punctuation">{</span>
      <span class="token property">opacity</span><span class="token punctuation">:</span> 1
    <span class="token punctuation">}</span>
  <span class="token punctuation">}</span>
</span></span><span class="token tag"><span class="token tag"><span class="token punctuation">&lt;/</span>style</span><span class="token punctuation">&gt;</span></span>
</code></pre><div class="line-numbers-wrapper"><span class="line-number">1</span><br><span class="line-number">2</span><br><span class="line-number">3</span><br><span class="line-number">4</span><br><span class="line-number">5</span><br><span class="line-number">6</span><br><span class="line-number">7</span><br><span class="line-number">8</span><br><span class="line-number">9</span><br><span class="line-number">10</span><br><span class="line-number">11</span><br><span class="line-number">12</span><br><span class="line-number">13</span><br><span class="line-number">14</span><br><span class="line-number">15</span><br><span class="line-number">16</span><br><span class="line-number">17</span><br><span class="line-number">18</span><br><span class="line-number">19</span><br><span class="line-number">20</span><br><span class="line-number">21</span><br><span class="line-number">22</span><br><span class="line-number">23</span><br><span class="line-number">24</span><br><span 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class="line-number">100</span><br><span class="line-number">101</span><br><span class="line-number">102</span><br><span class="line-number">103</span><br><span class="line-number">104</span><br><span class="line-number">105</span><br><span class="line-number">106</span><br><span class="line-number">107</span><br><span class="line-number">108</span><br><span class="line-number">109</span><br><span class="line-number">110</span><br><span class="line-number">111</span><br><span class="line-number">112</span><br><span class="line-number">113</span><br><span class="line-number">114</span><br><span class="line-number">115</span><br><span class="line-number">116</span><br><span class="line-number">117</span><br><span class="line-number">118</span><br><span class="line-number">119</span><br><span class="line-number">120</span><br><span class="line-number">121</span><br><span class="line-number">122</span><br></div></div></details> <h3 id="_2-注册全局组件"><a href="#_2-注册全局组件" class="header-anchor">#</a> 2.注册全局组件</h3> <p>在<code>.vuepress/enhanceApp.js</code>中添加以下代码将loading注册为<strong>全局组件</strong>：</p> <div class="language-js line-numbers-mode"><div class="highlight-lines"><div class="highlighted"> </div><br><br><br><br><br><br><br><div class="highlighted"> </div><br><br></div><pre class="language-js"><code><span class="token keyword">import</span> Loading <span class="token keyword">from</span> <span class="token string">'./my-pages/Loading'</span><span class="token punctuation">;</span>

<span class="token keyword">export</span> <span class="token keyword">default</span> <span class="token punctuation">(</span><span class="token parameter"><span class="token punctuation">{</span>
  Vue<span class="token punctuation">,</span>
  options<span class="token punctuation">,</span>
  router<span class="token punctuation">,</span>
  siteData<span class="token punctuation">,</span>
<span class="token punctuation">}</span></span><span class="token punctuation">)</span> <span class="token operator">=&gt;</span> <span class="token punctuation">{</span>
  Vue<span class="token punctuation">.</span><span class="token function">component</span><span class="token punctuation">(</span><span class="token string">'Loading'</span><span class="token punctuation">,</span> Loading<span class="token punctuation">)</span><span class="token punctuation">;</span>
<span class="token punctuation">}</span>
</code></pre><div class="line-numbers-wrapper"><span class="line-number">1</span><br><span class="line-number">2</span><br><span class="line-number">3</span><br><span class="line-number">4</span><br><span class="line-number">5</span><br><span class="line-number">6</span><br><span class="line-number">7</span><br><span class="line-number">8</span><br><span class="line-number">9</span><br><span class="line-number">10</span><br></div></div><h3 id="_3-注册为globaluicomponents"><a href="#_3-注册为globaluicomponents" class="header-anchor">#</a> 3.注册为<code>globalUIComponents</code></h3> <p>在<code>.vuepress/config.js</code>中添加以下代码将loading注册为<strong>全局UI组件</strong>：</p> <div class="language-js line-numbers-mode"><pre class="language-js"><code>module<span class="token punctuation">.</span>exports <span class="token operator">=</span> <span class="token punctuation">{</span>
  <span class="token operator">...</span>
  <span class="token literal-property property">globalUIComponents</span><span class="token operator">:</span> <span class="token punctuation">[</span><span class="token string">&quot;Loading&quot;</span><span class="token punctuation">]</span><span class="token punctuation">,</span>
  <span class="token operator">...</span>
<span class="token punctuation">}</span>
</code></pre> <div class="line-numbers-wrapper"><span class="line-number">1</span><br><span class="line-number">2</span><br><span class="line-number">3</span><br><span class="line-number">4</span><br><span class="line-number">5</span><br></div></div><p><img src="/images/other/aboutblog/loading-mask-03.png" alt="loading-mask-03"></p> <p>待热更新完成后就可以发现loading组件的代码成功插入到DOM中的<code>global-ui</code>里面了。😁</p> <p><img src="/images/other/aboutblog/loading-mask-01.png" alt="loading-mask-01"></p> <h2 id="三、使用vuex控制显示与隐藏"><a href="#三、使用vuex控制显示与隐藏" class="header-anchor">#</a> 三、使用<code>Vuex</code>控制显示与隐藏</h2> <h3 id="_1-创建store"><a href="#_1-创建store" class="header-anchor">#</a> 1.创建<code>store</code></h3> <p>在<code>.vuepress/theme</code>下面创建<code>store</code>文件夹，添加以下文件与代码：</p> <ul><li><p><code>state.js</code>：存放所有状态的初始值。</p> <div class="language-js line-numbers-mode"><pre class="language-js"><code><span class="token keyword">const</span> state <span class="token operator">=</span> <span class="token punctuation">{</span>
  <span class="token literal-property property">show</span><span class="token operator">:</span> <span class="token boolean">true</span><span class="token comment">// 显示与否</span>
<span class="token punctuation">}</span>

<span class="token keyword">export</span> <span class="token keyword">default</span> state<span class="token punctuation">;</span>
</code></pre> <div class="line-numbers-wrapper"><span class="line-number">1</span><br><span class="line-number">2</span><br><span class="line-number">3</span><br><span class="line-number">4</span><br><span class="line-number">5</span><br></div></div></li> <li><p><code>mutations.js</code>：存放<code>mutations</code>事件。</p> <div class="language-js line-numbers-mode"><pre class="language-js"><code><span class="token keyword">const</span> <span class="token function-variable function">show</span> <span class="token operator">=</span> <span class="token punctuation">(</span><span class="token parameter">state</span><span class="token punctuation">)</span> <span class="token operator">=&gt;</span> <span class="token punctuation">{</span>
  state<span class="token punctuation">.</span>show <span class="token operator">=</span> <span class="token boolean">true</span>
<span class="token punctuation">}</span>

<span class="token keyword">const</span> <span class="token function-variable function">hide</span> <span class="token operator">=</span> <span class="token punctuation">(</span><span class="token parameter">state</span><span class="token punctuation">)</span> <span class="token operator">=&gt;</span> <span class="token punctuation">{</span>
  state<span class="token punctuation">.</span>show <span class="token operator">=</span> <span class="token boolean">false</span>
<span class="token punctuation">}</span>

<span class="token keyword">export</span> <span class="token keyword">default</span> <span class="token punctuation">{</span> show<span class="token punctuation">,</span> hide <span class="token punctuation">}</span><span class="token punctuation">;</span>
</code></pre> <div class="line-numbers-wrapper"><span class="line-number">1</span><br><span class="line-number">2</span><br><span class="line-number">3</span><br><span class="line-number">4</span><br><span class="line-number">5</span><br><span class="line-number">6</span><br><span class="line-number">7</span><br><span class="line-number">8</span><br><span class="line-number">9</span><br></div></div></li> <li><p><code>actions.js</code>：存放<code>actions</code>。</p> <div class="language-js line-numbers-mode"><pre class="language-js"><code><span class="token keyword">const</span> <span class="token function-variable function">show</span> <span class="token operator">=</span> <span class="token punctuation">(</span><span class="token parameter"><span class="token punctuation">{</span> commit <span class="token punctuation">}</span></span><span class="token punctuation">)</span> <span class="token operator">=&gt;</span> <span class="token punctuation">{</span>
  <span class="token function">commit</span><span class="token punctuation">(</span><span class="token string">&quot;show&quot;</span><span class="token punctuation">)</span>
<span class="token punctuation">}</span>

<span class="token keyword">const</span> <span class="token function-variable function">hide</span> <span class="token operator">=</span> <span class="token punctuation">(</span><span class="token parameter"><span class="token punctuation">{</span> commit <span class="token punctuation">}</span></span><span class="token punctuation">)</span> <span class="token operator">=&gt;</span> <span class="token punctuation">{</span>
  <span class="token function">commit</span><span class="token punctuation">(</span><span class="token string">&quot;hide&quot;</span><span class="token punctuation">)</span>
<span class="token punctuation">}</span>

<span class="token keyword">export</span> <span class="token keyword">default</span> <span class="token punctuation">{</span> show<span class="token punctuation">,</span> hide <span class="token punctuation">}</span><span class="token punctuation">;</span>
</code></pre> <div class="line-numbers-wrapper"><span class="line-number">1</span><br><span class="line-number">2</span><br><span class="line-number">3</span><br><span class="line-number">4</span><br><span class="line-number">5</span><br><span class="line-number">6</span><br><span class="line-number">7</span><br><span class="line-number">8</span><br><span class="line-number">9</span><br></div></div></li> <li><p><code>index.js</code>：<code>store</code>的入口文件。</p> <div class="language-js line-numbers-mode"><pre class="language-js"><code><span class="token keyword">import</span> Vue <span class="token keyword">from</span> <span class="token string">'vue'</span>
<span class="token keyword">import</span> Vuex <span class="token keyword">from</span> <span class="token string">'vuex'</span>
<span class="token keyword">import</span> state <span class="token keyword">from</span> <span class="token string">'./state'</span>
<span class="token keyword">import</span> mutations <span class="token keyword">from</span> <span class="token string">'./mutations'</span>
<span class="token keyword">import</span> actions <span class="token keyword">from</span> <span class="token string">'./actions'</span>

Vue<span class="token punctuation">.</span><span class="token function">use</span><span class="token punctuation">(</span>Vuex<span class="token punctuation">)</span>

<span class="token keyword">export</span> <span class="token keyword">default</span> <span class="token keyword">new</span> <span class="token class-name">Vuex<span class="token punctuation">.</span>Store</span><span class="token punctuation">(</span><span class="token punctuation">{</span>
  state<span class="token punctuation">,</span>
  mutations<span class="token punctuation">,</span>
  actions
<span class="token punctuation">}</span><span class="token punctuation">)</span>
</code></pre> <div class="line-numbers-wrapper"><span class="line-number">1</span><br><span class="line-number">2</span><br><span class="line-number">3</span><br><span class="line-number">4</span><br><span class="line-number">5</span><br><span class="line-number">6</span><br><span class="line-number">7</span><br><span class="line-number">8</span><br><span class="line-number">9</span><br><span class="line-number">10</span><br><span class="line-number">11</span><br><span class="line-number">12</span><br><span class="line-number">13</span><br></div></div></li></ul> <h3 id="_2-注入到全局"><a href="#_2-注入到全局" class="header-anchor">#</a> 2.注入到全局</h3> <p>在<code>.vuepress/enhanceApp.js</code>中<strong>添加下面的高亮部分代码</strong>。</p> <div class="language-js line-numbers-mode"><div class="highlight-lines"><br><div class="highlighted"> </div><br><br><br><br><br><br><br><br><div class="highlighted"> </div><br><br></div><pre class="language-js"><code><span class="token keyword">import</span> Loading <span class="token keyword">from</span> <span class="token string">'./my-pages/Loading'</span><span class="token punctuation">;</span>
<span class="token keyword">import</span> store <span class="token keyword">from</span> <span class="token string">'./store'</span><span class="token punctuation">;</span>

<span class="token keyword">export</span> <span class="token keyword">default</span> <span class="token punctuation">(</span><span class="token parameter"><span class="token punctuation">{</span>
  Vue<span class="token punctuation">,</span>
  options<span class="token punctuation">,</span>
  router<span class="token punctuation">,</span>
  siteData<span class="token punctuation">,</span>
<span class="token punctuation">}</span></span><span class="token punctuation">)</span> <span class="token operator">=&gt;</span> <span class="token punctuation">{</span>
  Vue<span class="token punctuation">.</span><span class="token function">component</span><span class="token punctuation">(</span><span class="token string">'Loading'</span><span class="token punctuation">,</span> Loading<span class="token punctuation">)</span><span class="token punctuation">;</span>
  Vue<span class="token punctuation">.</span><span class="token function">mixin</span><span class="token punctuation">(</span><span class="token punctuation">{</span> store <span class="token punctuation">}</span><span class="token punctuation">)</span><span class="token punctuation">;</span>
<span class="token punctuation">}</span>
</code></pre><div class="line-numbers-wrapper"><span class="line-number">1</span><br><span class="line-number">2</span><br><span class="line-number">3</span><br><span class="line-number">4</span><br><span class="line-number">5</span><br><span class="line-number">6</span><br><span class="line-number">7</span><br><span class="line-number">8</span><br><span class="line-number">9</span><br><span class="line-number">10</span><br><span class="line-number">11</span><br><span class="line-number">12</span><br></div></div><h3 id="_3-使用"><a href="#_3-使用" class="header-anchor">#</a> 3.使用</h3> <ul><li><p>loading组件中使用：在<a href="#%E4%BA%8C%E3%80%81%E6%B3%A8%E5%86%8C%E5%85%A8%E5%B1%80ui%E7%BB%84%E4%BB%B6">loading组件源码</a>中已写入（高亮部分代码）。</p></li> <li><p><code>.vuepress/theme/layouts/Layout.vue</code>中使用：添加<strong>两个钩子函数</strong>👇</p> <div class="language-js line-numbers-mode"><pre class="language-js"><code>  <span class="token function">beforeCreated</span><span class="token punctuation">(</span><span class="token punctuation">)</span><span class="token punctuation">{</span>
    <span class="token keyword">this</span><span class="token punctuation">.</span>$store<span class="token punctuation">.</span><span class="token function">dispatch</span><span class="token punctuation">(</span><span class="token string">'show'</span><span class="token punctuation">)</span><span class="token punctuation">;</span>
  <span class="token punctuation">}</span><span class="token punctuation">,</span>
  <span class="token function">mounted</span> <span class="token punctuation">(</span><span class="token punctuation">)</span> <span class="token punctuation">{</span>
    <span class="token keyword">this</span><span class="token punctuation">.</span>$store<span class="token punctuation">.</span><span class="token function">dispatch</span><span class="token punctuation">(</span><span class="token string">'hide'</span><span class="token punctuation">)</span><span class="token punctuation">;</span>
  <span class="token punctuation">}</span>
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